BuildingCoder.CmdListAllRooms.GetConvexHullOfRoomBoundary C# (CSharp) Method

        static List<XYZ> GetConvexHullOfRoomBoundary(
            IList<IList<BoundarySegment>> boundary)
        {
            List<XYZ> pts = new List<XYZ>();

              foreach( IList<BoundarySegment> loop in boundary )
              {
            foreach( BoundarySegment seg in loop )
            {
              Curve c = seg.GetCurve();
              pts.AddRange( c.Tessellate() );
            }
              }
              int n = pts.Count;

              pts = new List<XYZ>(
            pts.Distinct<XYZ>( new CmdWallTopFaces
              .XyzEqualityComparer( 1.0e-4 ) ) );

              Debug.Print(
            "{0} points from tessellated room boundaries, "
            + "{1} points after cleaning up duplicates",
            n, pts.Count );

              return Util.ConvexHull( pts);
        }